Zeithaml, Valarie A. Services marketing : integrating customer focus across the firm Valarie A. Zeithaml, Mary Jo Bitner and Dwayne D. Gremler - 7th ed. - New York: McGraw Hill, 2018. - xxviii,514p. ISBN: 9780078112102 Subjects--Topical Terms: Service industries-MarketingCustomer servicesMarketing Dewey Class. No.: 658.8 / ZES